Q.
A. N2(g)+O2(g) 2NO(g)
B. PCl5(g) PCl3(g)+Cl2(g)
C. N2(g)+3H2(g) 2NH3(g)
D. SO2Cl2(g) SO2(g) +Cl2(g)
E. None of the above
Correct choice: A
Explanation: